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Urgent Elementor security Update Dec 8, 2023 Vulnerability | Elementor <= 3.18.1 

December 8, 2023

Elementor Page Builder has a serious vulnerability that permits attackers to upload malicious files which grant access to the website server

In recent developments, a critical vulnerability has been unveiled within the highly popular Elementor website builder plugin, shaking the WordPress community. This vulnerability, rated at a staggering 8.8 out of 10, poses a serious threat, enabling attackers to execute remote code and potentially take control of affected websites.

Understanding the Vulnerability

The vulnerability, categorized as an "Unrestricted Upload of File with Dangerous Type," permits malicious file uploads, granting attackers the ability to execute commands on the website server. This security flaw lies specifically within the template uploader functionality of the Elementor plugin.

Unrestricted Upload of File with Dangerous Type

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVECVE-2023-48777
CVSS8.8 (High)
Publicly PublishedDecember 6, 2023
Last UpdatedDecember 8, 2023
ResearcherHong Quan

Severity and Impact

With over 5 million installations, Elementor's widespread usage amplifies the severity of this vulnerability. The potential for Remote Code Execution means attackers could gain command over affected websites, compromising their functionality and potentially breaching user data.

Insight from Security Experts

Until December 6, 2023, Wordfence, a leading authority in WordPress security, confirms this vulnerability's risk, asserting that versions up to and including 3.18.1 are susceptible. They caution that authenticated attackers with contributor-level access or higher can leverage this flaw to upload files and execute code on servers. Alarmingly, there's no known patch available as of December 6, 2023, prompting Wordfence to recommend uninstalling Elementor and seeking alternative solutions.

Later on December 8, 2023, a security patch, Elementor 3.18.2, has been released to address this critical issue. We strongly advise all users to update to this latest version immediately, without delay.

Plugin Details and Remediation

Plugin Information:

Product NameElementor Website Builder – More than Just a Page Builder
Software TypePlugin
Software Slugelementor (view on wordpress.org)
Patched?Yes
RemediationUpdate to version 3.18.2, or a newer patched version
Affected Version<= 3.18.1
Patched Version3.18.2

Recommendations:

Given the severity and implications of this vulnerability, immediate action is crucial for website administrators and owners. Updating Elementor to version 3.18.2 or any subsequent patched version is imperative to mitigate this security risk.

Conclusion:

The Elementor WordPress plugin vulnerability poses a significant threat to website security, emphasizing the critical need for prompt updates and proactive security measures within the WordPress ecosystem. Stay vigilant, prioritize updates, and safeguard your online presence against potential cyber threats.

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